CVE-2021-31547
CVSS V2 Medium 4
CVSS V3 Medium 4.3
Description
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.
Overview
- CVE ID
- CVE-2021-31547
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-22T03:15:08
- Last Modified Date
- 2022-07-12T17:42:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1 | OR | 1.35.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 4.3
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 1.4
References
| Reference URL | Reference Tags |
|---|---|
| https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75 | Issue Tracking Third Party Advisory |
| https://phabricator.wikimedia.org/T223654 | Third Party Advisory |
| https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d | Issue Tracking Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-31547 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31547 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:43 | Added to TrackCVE | |||
| 2022-12-06 02:15:07 | 2021-04-22T03:15Z | 2021-04-22T03:15:08 | CVE Published Date | updated |
| 2022-12-06 02:15:07 | 2022-07-12T17:42:04 | CVE Modified Date | updated | |
| 2022-12-06 02:15:07 | Analyzed | Vulnerability Status | updated |